/*
    BEEM is a videoconference application on the Android Platform.

    Copyright (C) 2009 by Frederic-Charles Barthelery,
                          Jean-Manuel Da Silva,
                          Nikita Kozlov,
                          Philippe Lago,
                          Jean Baptiste Vergely,
                          Vincent Veronis.

    This file is part of BEEM.

    BEEM is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    BEEM is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with BEEM.  If not, see <http://www.gnu.org/licenses/>.

    Please send bug reports with examples or suggestions to
    contact@beem-project.com or http://dev.beem-project.com/

    Epitech, hereby disclaims all copyright interest in the program "Beem"
    written by Frederic-Charles Barthelery,
               Jean-Manuel Da Silva,
               Nikita Kozlov,
               Philippe Lago,
               Jean Baptiste Vergely,
               Vincent Veronis.

    Nicolas Sadirac, November 26, 2009
    President of Epitech.

    Flavien Astraud, November 26, 2009
    Head of the EIP Laboratory.

 */
package com.beem.project.beem.ui;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.beem.project.beem.BeemService;
import com.beem.project.beem.R;
import com.beem.project.beem.service.aidl.IRoster;
import com.beem.project.beem.service.aidl.IXmppFacade;
import com.beem.project.beem.utils.BeemBroadcastReceiver;

/**
 * This activity is used to add a contact.
 * 
 * @author nikita
 */
public class AddContact extends Activity {

	private static final Intent SERVICE_INTENT = new Intent();
	private static final String TAG = "AddContact";
	private final List<String> mGroup = new ArrayList<String>();
	private IXmppFacade mXmppFacade;
	private final ServiceConnection mServConn = new BeemServiceConnection();
	private final BeemBroadcastReceiver mReceiver = new BeemBroadcastReceiver();
	private final OkListener mOkListener = new OkListener();

	static {
		SERVICE_INTENT.setComponent(new ComponentName("com.beem.project.beem",
				"com.beem.project.beem.BeemService"));
	}

	/**
	 * Constructor.
	 */
	public AddContact() {
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.addcontact);
		Button ok = (Button) findViewById(R.id.addc_ok);
		ok.setOnClickListener(mOkListener);
		this.registerReceiver(mReceiver, new IntentFilter(
				BeemBroadcastReceiver.BEEM_CONNECTION_CLOSED));
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see android.app.Activity#onStart()
	 */
	@Override
	protected void onStart() {
		super.onStart();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected void onResume() {
		super.onResume();
		bindService(new Intent(this, BeemService.class), mServConn,
				BIND_AUTO_CREATE);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected void onPause() {
		super.onPause();
		unbindService(mServConn);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see android.app.Activity#onDestroy()
	 */
	@Override
	protected void onDestroy() {
		super.onDestroy();
		this.unregisterReceiver(mReceiver);
	}

	/**
	 * Get the text of a widget.
	 * 
	 * @param id
	 *            the id of the widget.
	 * @return the text of the widget.
	 */
	private String getWidgetText(int id) {
		EditText widget = (EditText) this.findViewById(id);
		return widget.getText().toString();
	}

	/**
	 * The ServiceConnection used to connect to the Beem service.
	 */
	private class BeemServiceConnection implements ServiceConnection {

		/**
		 * Constructor.
		 */
		public BeemServiceConnection() {
		}

		@Override
		public void onServiceConnected(ComponentName name, IBinder service) {
			mXmppFacade = IXmppFacade.Stub.asInterface(service);
		}

		@Override
		public void onServiceDisconnected(ComponentName name) {
			mXmppFacade = null;
		}
	}

	/**
	 * Listener.
	 */
	private class OkListener implements OnClickListener {

		/**
		 * Constructor.
		 */
		public OkListener() {
		}

		@Override
		public void onClick(View v) {
			String login;
			login = getWidgetText(R.id.addc_login);
			if (TextUtils.isEmpty(login)) {
				Toast.makeText(AddContact.this,
						getString(R.string.AddCContactAddedLoginError),
						Toast.LENGTH_SHORT).show();
				return;
			}
			String alias;
			alias = getWidgetText(R.id.addc_alias);
			if (getWidgetText(R.id.addc_group).length() != 0)
				mGroup.add(getWidgetText(R.id.addc_group));
			try {
				if (mXmppFacade != null) {
					IRoster roster = mXmppFacade.getRoster();
					if (roster.getContact(login) != null) {
						mGroup.addAll(roster.getContact(login).getGroups());
						Toast.makeText(AddContact.this,
								getString(R.string.AddCContactAlready),
								Toast.LENGTH_SHORT).show();
						return;
					}
					if (!roster.addContact(login, alias,
							mGroup.toArray(new String[mGroup.size()]))) {
						Toast.makeText(AddContact.this,
								getString(R.string.AddCContactAddedError),
								Toast.LENGTH_SHORT).show();
						return;
					} else {
						Toast.makeText(AddContact.this,
								getString(R.string.AddCContactAdded),
								Toast.LENGTH_SHORT).show();
						finish();
					}
				}
			} catch (RemoteException e) {
				Toast.makeText(AddContact.this, e.getMessage(),
						Toast.LENGTH_SHORT).show();
				Log.e(TAG, "Problem adding contact", e);
			}

		}
	};
}
